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dc.contributor.author
Sosa, Andrea Vanesa
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dc.contributor.author
Ochoa, J.
dc.contributor.author
Perotti, Nora Ines
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dc.date.available
2018-04-13T18:35:42Z
dc.date.issued
2001-12
dc.identifier.citation
Sosa, Andrea Vanesa; Ochoa, J.; Perotti, Nora Ines; Modeling of direct recovery of lactic acid from whole broths by exchange adsorption; Kluwer Academic/Plenum Publ; Bioseparation; 9; 5; 12-2001; 283-289
dc.identifier.issn
0923-179X
dc.identifier.uri
http://hdl.handle.net/11336/42006
dc.description.abstract
Lactic acid fermentation process with L. casei CRL 686 was performed. The static adsorption isotherm over a strong anionic exchange resin, Amberlite IRA-400 was measured, and the static binding capacity parameters were quantified. Early recovery of lactic acid from this lactate producer from unclarified culture broth was performed in a liquid solid fluidized bed, with the resin as the solid adsorbent, and the dynamic adsorption capacity was calculated. Good agreement was found between static and dynamic binding capacity values. The fluidized bed height was twice the settled bed height and the overall process was controlled by the liquid solid mass transfer. This operation was also simulated by continuously well stirred tanks arranged in series and superficial solid deactivation as in a gas solid catalytic reactor. The deactivation process takes into account liquid channeling and agglomerations of solid induced by the viscosity of the broth and also by the cells during the adsorption. These patterns were also verified by experimental observations, and are in agreement with the results found in the literature. The breakthrough data together with others from previous works were satisfactorily fitted until the 90% dimensionless concentration was reached for both culture broths. The model could be used in future studies on predictions about the liquid solid fluidized bed behavior and other different operating conditions.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Kluwer Academic/Plenum Publ
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Lactic Acid
dc.subject
Fermentation
dc.subject
Ion Exchange
dc.subject
Modeling
dc.subject
Recovering
dc.subject.classification
Otras Ciencias Químicas
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dc.subject.classification
Ciencias Químicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Modeling of direct recovery of lactic acid from whole broths by exchange adsorption
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-04-10T13:54:05Z
dc.journal.volume
9
dc.journal.number
5
dc.journal.pagination
283-289
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Sosa, Andrea Vanesa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
dc.description.fil
Fil: Ochoa, J.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
dc.description.fil
Fil: Perotti, Nora Ines. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología; Argentina
dc.journal.title
Bioseparation
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1023/A:1011165810823
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1023%2FA%3A1011165810823
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